Unauthenticated Broken Authentication in IMPress for IDX Broker

Executive Summary

This vulnerability is an unauthenticated broken authentication issue in the IMPress for IDX Broker WordPress plugin versions 3.3.0 and below. It allows attackers to perform actions that should require higher privileges without authentication, potentially gaining admin access to websites.

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Detection Guidance

Check if the IMPress for IDX Broker plugin version 3.3.0 or below is installed on your WordPress site. Inspect server logs for unusual admin-level actions performed without authentication. Use security plugins like Wordfence or Patchstack to scan for signs of exploitation.

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Impact Analysis

An attacker could exploit this to gain unauthorized admin access to your website, allowing them to take control of your site, modify content, steal data, or install malicious software. The vulnerability is considered highly dangerous and may be targeted in mass-exploit campaigns.

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Compliance Impact

This vulnerability allows unauthenticated attackers to gain admin access, which could lead to unauthorized data access or modification. For GDPR, this may result in violations of data integrity and confidentiality requirements. For HIPAA, it could compromise protected health information if the plugin is used in healthcare environments. The lack of authentication controls directly conflicts with security requirements in both standards.

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Mitigation Strategies

Disable the IMPress for IDX Broker plugin immediately if possible. Apply Patchstack's mitigation rule if available. Contact your hosting provider or a web developer for assistance. Monitor for unauthorized admin access or suspicious activity.

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